Cable Construction 1.1 kV (A.C) & 1.5 kV (D.C ) to Earth 4 cores AL / CU conductor, PVC insulated, unarmoured cables as per IS 1554 Part – 1. Conductor: AL up to 10 Sq. mm conductor are solid Cl. 1 as per IS 8130. And above 10 Sq. mm conductor are stranded compacted shape Cl. 2 as per IS 8130 In CU 4 & 6 Sq. mm conductor are solid Cl. 1 or stranded Cl. 2 as per IS 8130. 10 Sq. mm conductor is stranded Cl. 2 round as per IS 8130. Above 10 Sq. mm conductor are stranded compacted shaped Cl. 2 as per IS 8130 Insulation: PVC Type – A, as per IS 5831. (Option : HR PVC Type – C, as per IS 5831) Core Color: Red, yellow, blue, black Inner Sheath : PVC/PVC tape as per IS 1554 (P-1) Outer Sheath : PVC Type ST – 1 as per IS 5831 (Option : PVC Type – ST – 2 as per IS 5831, FR Type / FRLS Type) Cable Color: Black (Options : Any other color as per requirement) Cable Design Parameters While ordering, in addition to the part number the following details shall also be advised: Conductor Type (Aluminium or Copper) and class of conductor (Cl. 1 or 2). Insulation Type – PVC Type A / C. Sheath Type – PVC Type ST – 1 / FR / FRLS; PVC Type ST – 2 / FR / FRLS.